2401. Which of the following has a ketogenic effect on livers______________?
A. Insulin
B. Glucagon
C. GH
D. Androgen
✅ The correct answer is option B. Glucagon.
Medical
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2402. The most accepted theory for dentin sensitivity is: or Which of the following is the most accepted theory of transmission of dental sensation_____________?
A. Transduction theory
B. Direct neural stimulation
C. Hydrodynamic theory
D. Hydrostatic theory
✅ The correct answer is option C. Hydrodynamic theory.
2403. Bone at forming stage has_________________?
A. Osteoclasts, osteoblasts, osteoid
B. Odontoblasts & megakaryocyte
C. Megakaryocytes, osteoblasts, osteoclasts
D. None of the above
✅ The correct answer is option A. Osteoclasts, osteoblasts, osteoid.
2404. A small Ca+2 binding protein that modifies the activity of many enzymes and other proteins in response to changes of Ca+2 concentration is known as______________?
A. Cycline
B. Calmodulin
C. Collagen
D. Kinesin
✅ The correct answer is option B. Calmodulin.
2405. The pain transmission through dentin is______________?
A. Direct neural stimulation
B. Fluid or hydrodynamic theory
C. Transduction theory
D. All of the above
✅ The correct answer is option D. All of the above.
2406. The first heart sound is produced by the_____________?
A. Closure of the aortic and pulmonary valves
B. Opening of the aortic and pulmonary valves
C. Closure of the mitral and tricuspid valves
D. Opening of the mitral and tricuspid valves
✅ The correct answer is option C. Closure of the mitral and tricuspid valves.
2407. All are true regarding the enamel spindles except____________?
A. Produced by ameloblasts
B. Found in the region of cusps
C. Surrounded by inter prismatic enamel
D. Terminate as rounded process
✅ The correct answer is option A. Produced by ameloblasts.
2408. Outer and inner enamel epithelium first seen in____________?
A. Bud stage
B. Advanced bell stage
C. Cap stage
D. Bell stage
✅ The correct answer is option C. Cap stage.
2409. In TCA cycle substrate level phosphorylation occurs at____________?
A. Succinate dehydrogenase
B. Malonate reduction
C. Thiokinase
D. None of the above
✅ The correct answer is option C. Thiokinase.
2410. Which of the areas of the tooth is most sensitive during cavity preparation ?
A. Enamel (anterior teeth)
B. Enamel (Posterior teeth)
C. Dentin
D. Dentinoenamel junction
✅ The correct answer is option D. Dentinoenamel junction.